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Topic: Muscular nerve

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ravenhead.org A&P - The Muscular System Muscles contract because of nerve impulses originating in the brain, and each muscle has nefferent nerve associated with it (eg: the radial nerve stimulates the brachioradialis). The origin of a muscle is the end which does not move in contraction, and the insertion is the end of the muscle which moves in contraction. A sprain is an injury or damage to a joint resulting in swelling whereas a strain is an injury to a muscle or its tendon which may occasionally involve rupture of muscle fibres, muscle sheath or tendon. www.ravenhead.org /massage/therapists/AP/selftestanswers/Muscular_system.html

MUSCLE AND NERVE - LoveToKnow Article on MUSCLE AND NERVE Yet when the muscular contraction is taken as rndex of the response of the nerve, it is found that unmistakable signs of fatigue appear even very soon after commencement of the excitation of the nerve, and the muscle ceases to give any contraction in response to stimuli applied indirectly to it through its nerve. The muscular wall of the blood-vessels also exhibits tonic contraction, which, however, seems to be mainly traceable to a continual excitation of the muscle cells by nervous influence conveyed to them along their nerves, and originating in the great vaso motor centre in the bulb. A form of contraction intermediate in character between the tonic and the rhythmic is met in the auricle of the heart of the toad. www.1911encyclopedia.org /M/MU/MUSCLE_AND_NERVE.htm

Nerve Agents Muscular paralysis caused by nerve agents also affects the respiratory muscles. Nerve agents acquired their name because they affect the transmission of nerve impulses in the nervous system. Binary technology implies that the final stage in the synthesis of the nerve agent is moved from the factory into the warhead, which thus functions as a chemical reactor. www.opcw.org /resp/html/nerve.html   (3591 words)

NERVE - LoveToKnow Article on NERVE The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. The nerve is attached to the spinal cord by two roots, of which the ventral is purely efferent or motor and the dorsal purely afferent or sensory. The optic nerve passes through the optic foramen in the skull into the orbit, where it is penetrated by the central artery of the retina, and eventually pierces the scelerotic just internal to the posterior pole of the eyeball. 66.1911encyclopedia.org /N/NE/NERVE.htm   (4960 words)

NERVE - LoveToKnow Article on NERVE The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. The optic nerve passes through the optic foramen in the skull into the orbit, where it is penetrated by the central artery of the retina, and eventually pierces the scelerotic just internal to the posterior pole of the eyeball. The inusculo cutaneous nerve supplies the peroneus longus and brevis muscles, and the rest of the skin of the dorsum, of the foot, and lower part of the leg, while the skin of the upper part of the dorsum of the leg, below the knee, is supplied by the external popliteal before its division. www.1911encyclopedia.org /N/NE/NERVE.htm   (4960 words)

Efferent nerve - Wikipedia, the free encyclopedia The motor nerves are efferent nerves involved in muscular control.The cell body of the efferent neuron is found in the central nervous system, where it is connected to a single,long axon and several short dendrons projecting out of the cell body itself. In the nervous system, efferent nerves otherwise known as motor or effector neuron carry nerve impulses away from the central nervous systemto effectors - either muscles or glands. This axon then forms a neuromuscular junction with the effectors.The cell body of the motor neuron is satellite-shaped. en.wikipedia.org /wiki/Efferent   (180 words)

NERVE - LoveToKnow Article on NERVE The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. The first, or olfactory nerve, Consists of the olfactory bulb and tract, which are a modified lobe of the brain and lie beneath the sulcus rectus on the frontal lobe of the brain (see fig. The optic nerve passes through the optic foramen in the skull into the orbit, where it is penetrated by the central artery of the retina, and eventually pierces the scelerotic just internal to the posterior pole of the eyeball. 66.1911encyclopedia.org /N/NE/NERVE.htm   (4960 words)

highmediannerve Provocative testing of the median nerve for proximal entrapment is extremely useful because it is hypothesized that the compression of the nerve relates to both the position of the forearm and muscular contraction. The median nerve is formed along the lateral wall of the axilla by the confluence of the medial and lateral cords of the brachial plexus. The median nerve is formed in the axilla by equal contributions of the medial (C5-C7) and lateral (C8-Tl) cords of the brachial plexus. www.simmonsortho.com /literature/highmediannerve/highmediannerve.html   (6531 words)

SYMPATHETIC SYSTEM - LoveToKnow Article on SYMPATHETIC SYSTEM The axone-process of the first nerve cell is a myelinated nerve-fibre extending from the spinal cord to the ganglion; it constitutes the pre-ganglionic fibre of the conduction chain. In the cerebro-spinal nerves the preponderance of the conduction is toward the centres, in the sympathetic system the preponderance of conduction is away from the centres. The heart receives also nerves from the cranial part of the autonomic system, and the influence of these nerves is antagonistic to that of the sympathetic supply. 55.1911encyclopedia.org /S/SY/SYMPATHETIC_SYSTEM.htm   (3379 words)

NERVE - LoveToKnow Article on NERVE The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. Between the two ganghia the accessory part of the eleventh nerve joins the tenth, and it is from this communication that the motor twigs to the pharynx, larynx, alimentary and respiratory tracts are derived, as well as the inhibitory fibres of the heart. These two nerves are sometimes separate from their first formation in the plexus, and may always be separated easily by the handle of a scalpel, since they are only bound together by loose connectiye tissue to form the great sciatic nerve. www.1911encyclopedia.org /N/NE/NERVE.htm   (3379 words)

New York School Of Regional Anesthesia - Sciatic Nerve Block: Posterior Approach The muscular branches of the sciatic nerve are distributed to the biceps femoris, semitrendinosus, semimembranosus, and to the ischial head of the adductor magnus; the branches of the latter two arise by a common trunk. Sciatic nerve blockade results in anesthesia of the skin of the posterior aspect of the thigh, hamstrings and biceps muscles, part of hip and knee joint, and entire leg below the knee, with the exception of the skin of the medial aspect of the lower leg. On its medial side, the sciatic nerve is accompanied by the posterior cutaneous nerve of the thigh and the inferior gluteal artery. www.nysora.com /techniques/intermediate/sciatic_post/sciatic_post.html   (2630 words)

IX. Neurology. 6b. The Anterior Divisions. Gray, Henry. 1918. Anatomy of the Human Body. The branches of the ulnar nerve are: articular to the elbow-joint, muscular, palmar cutaneous, dorsal, and volar. 818) arises from the posterior cord of the brachial plexus, and its fibers are derived from the fifth and sixth cervical nerves. Each nerve supplies filaments to the pericardium and pleura, and at the root of the neck is joined by a filament from the sympathetic, and, occasionally, by one from the ansa hypoglossi. www.bartleby.com /107/210.html   (5780 words)

Nerve Agents Muscular paralysis caused by nerve agents also affects the respiratory muscles. Nerve agents acquired their name because they affect the transmission of nerve impulses in the nervous system. Binary technology implies that the final stage in the synthesis of the nerve agent is moved from the factory into the warhead, which thus functions as a chemical reactor. www.opcw.org /resp/html/nerve.html   (3591 words)

PAS-03-173: NEUROBIOLOGY OF PERSISTENT PAIN MEDIATED BY THE TRIGEMINAL NERVE Pain disorders mediated by the trigeminal nerve are often associated with severe and persistent pain of deep tissues, which may be of neuronal, muscular, joint, or vascular origin. Trigeminal neuralgia is characterized by intense pain arising from abnormal processing of signals from one or more of the peripheral branches of the trigeminal nerve. The pain of migraine is perceived in the somatic territory of the nerve. grants.nih.gov /grants/guide/pa-files/PAS-03-173.html   (3583 words)

Radial nerve palsy in an elite bodybuilder -- Ng et al. 37 (2): 185 -- British Journal of Sports Medicine Radial palsy following muscular effort: a nerve compression syndrome possibly related to a fibrous arch of the lateral head of the triceps. of the injury and the extent of the insult to the nerve. Compression of the radial nerve by the triceps muscle: a case report. bjsm.bmjjournals.com /cgi/content/full/37/2/185   (837 words)

Physiatry -- The Practice of Physical Therapy by a Physiatrist The forceful contraction of the extensor group which enhances the tightening of the fibrous band at the muscular origin and/or forceful contraction of the supinator which narrows the slit through which the nerve penetrates are largely responsible for the resulting radial nerve entrapment phenomenon. Although the superficial radial nerve may be exposed to direct trauma as a result of its superficial anatomical location, the usual trauma to which it is exposed results from an indirect source. As it progresses along its course below the elbow joint, the radial nerve passes below the origin of the short radial extensor muscle, which has its origin from a fibrous band stretching from the epicondyle to the deep fascia of the volar aspect of the forearm. www.chiroweb.com /archives/11/13/28.html   (702 words)

The nerve of this gas "Muscular paralysis caused by nerve agents also affects the respiratory muscles. Nerve agents also affect the respiratory center of the central nervous system. That causes the typical effects of nerve gas: violent tremors, incontinence, even heart and lung failure. whyfiles.org /025chem_weap/4.html   (702 words)

Journal of the American Chiropractic Association: A Functional Approach to Median Nerve Entrapment: A Case Report The objective of this case report is to delineate common muscular and kinetic chain imbalances that occur in the forearm and wrist and contribute to median nerve entrapment syndromes. Needle electromyography and nerve conduction velocity studies were positive for confirming the carpal tunnel diagnosis. Patients suffering from median nerve entrapments are seldom referred for rehabilitation. www.findarticles.com /p/articles/mi_qa3841/is_200411/ai_n9459760   (1019 words)

Types of Muscular Dystrophy - Nervous System Diseases Muscular dystrophy is a group of inherited diseases that are characterized by weakness and wasting away of muscle tissue, with or without the breakdown of nerve tissue. There are nine types of muscular dystrophy, but in each type there is an eventual loss of strength, increasing disability, and possible deformity. Becker dystrophy is often classified as a less severe form of Duchenne dystrophy. www.umm.edu /nervous/musctype.htm   (515 words)

[Peripheral nerve abnormalities of mutant ( PMA) mouse--myelinated fiber counts of sciatic, peroneal, sural and tibial nerves]. A mutant mouse characterized by peroneal muscular atrophy and congenital absence of the peroneal nerve has been described by Esaki et al. The mean total transverse fascicular area and mean total number of myelinated fibers per nerve in the sciatic nerve in pma mice was significantly less (p less than 0.02) than that in control mice. [Peripheral nerve abnormalities of mutant (PMA) mouse--myelinated fiber counts of sciatic, peroneal, sural and tibial nerves].The pma mice showed pes equinovarus bilaterally and their peroneal nerves were absent. www.pdg.cnb.uam.es /UniPub/iHOP/gp/5410022.html   (185 words)

spinal nerves from On-line Medical Dictionary Previous: spinal muscle of thorax, spinal muscular atrophy, spinal nerve roots The 31 paired peripheral nerves formed by the union of the dorsal and ventral spinal roots from each spinal cord segment. The spinal nerve plexuses and the spinal roots are also included. cancerweb.ncl.ac.uk /cgi-bin/omd?spinal+nerves   (63 words)

Spine & Peripheral Nerves (Surnames A-D) Contains extensive chapters on hysteria, epilepsy, chorea, disorders of the spine & peripheral nerves, muscular atrophy, & infectious diseases. Spine & Peripheral Nerves (Surnames A-D) John Gach Books, Inc. A handsome atlas with lovely photogravures, painstakingly produced with uniform enlargement of the photographs "to secure that each figure should be an accurate, unsophisticated representation of its corresponding section." A spinal cord was selected from an adult completely free of any sign of nerve disease. www.gach.com /gach/l1222-01.htm   (63 words)

MSDS: VX Administer nerve agent antidote kit, Mark I, only if local sweating and muscular twitching symptoms are observed. This value can be found in "DA Pam 40-8, Occupational Health Guidelines for the Evaluation and Control of Occupational Exposure to Nerve Agents GA, GB, GD, and VX." To date, however, the Occupational Safety and Health Administration (OSHA) has not promulgated a permissible exposure concentration for VX. Although the fire may destroy most of the agent, care must still be taken to assure the agent or contaminated liquids do not further contaminate other areas or sewers. www.ilpi.com /msds/vx.html   (63 words)

REFERRED PAIN OF PERIPHERAL NERVE ORIGIN: AN ALTERNATIVE TO THE "MYOFASCIAL PAIN" CONSTRUCT Chronic forms of muscular rheumatism were attributed to inflammation of a "peculiar" kind affecting the fibrous tissues around joints; this inflammation was found in tendons, bursae, ligaments, fascia, nerve sheaths, muscles, and periosteum (2). Over the next 50 years, clinicians attempting to unravel the complex nature of muscular rheumatism focused their attention on palpatory findings in and around voluntary muscles, almost to the exclusion of a possible contribution to pain from peripheral nerves or other tissues. During the 19th century, these conditions were called muscular rheumatism or fibrositis to distinguish them from conditions such as articular rheumatism, which primarily involve joints (1). websites.golden-orb.com /pain-education/100137.php   (63 words)

Richard F. Hill KUGELBERG WELANDER DISEASE Spinal muscular atrophy is a term for a group of inherited neuromuscular diseases. Since it's founding in 1950, the Muscular Dystrophy Association has become one of the nation's largest and best-known voluntary health agencies. There is no insurance company that will insure the population of people with a pre-existing diseases or neuromuscular diseases, at least none that I could find. www.celestialnet.com /mdusa/old.html   (984 words)

NERVE - LoveToKnow Article on NERVE The anterior tibial nerve is chiefly muscular, innervating the muscles in front of the tibia and fibula as well as the extensor brevis digitorum pedis on the dorsum of the foot, though it gives one small cutaneous branch to the cleft between the first and second toes. The optic nerve passes through the optic foramen in the skull into the orbit, where it is penetrated by the central artery of the retina, and eventually pierces the scelerotic just internal to the posterior pole of the eyeball. The inusculo cutaneous nerve supplies the peroneus longus and brevis muscles, and the rest of the skin of the dorsum, of the foot, and lower part of the leg, while the skin of the upper part of the dorsum of the leg, below the knee, is supplied by the external popliteal before its division. 66.1911encyclopedia.org /N/NE/NERVE.htm   (4960 words)

eMedicine - Muscular Dystrophy : Article by Twee Do, MD History of the Procedure: Muscular dystrophy (MD) is a collective group of inherited noninflammatory but progressive muscle disorders without a central or peripheral nerve abnormality. In the X-linked forms such as Duchenne and Becker dystrophies the defect is located on the short arm of the X chromosome. Brooke MH, Fenichel GM, Griggs RC: Duchenne muscular dystrophy: patterns of clinical progression and effects of supportive therapy. www.emedicine.com /orthoped/topic418.htm   (5762 words)

AAPM&R - March 1999 EMG Case The spinal accessory nerve has no cutaneous component and for this reason the pain symptoms are believed to be muscular in origin, related to weakness in the trapezius causing altered scapulohumeral mechanics with activity. Although spinal accessory nerve palsy has been reported as a complication of rhytidectomy, it is quite rare. The most likely cause in this patient’s case is entrapment of the spinal accessory nerve as a complication of rhytidectomy. www.aapmr.org /education/archive/emg9903c.htm   (5762 words)

Responses - Suprascapular Nerve Tension I am a 44-year-old female, diagnosed with facioscapulohumeral muscular dystrophy (FSHD), who while recently doing a search regarding scapular pain, found mention of a surgery that may provide some slack to the suprascapular nerve that may be under tension and causing pain. Lasting relief may be provided by decompression of the nerve as it passes through the suprascapular notch, or scapular fixation. Irwin M. Siegel, M.D., MDA Clinic Director, Rush Presbyterian-St. Luke's Medical Center, Chicago, IL Damage to the suprascapular nerve can often be diagnosed through electrical studies such as nerve conduction velocity (which should be decreased). www.mdausa.org /experts/question.cfm?id=3395&disease=61   (5762 words)

(put title here) Cranial Nerve V is tested by assessing facial sensation to light touch and pain on the forehead (V1), cheeks (V2) and chin (V3). Muscular innervation is tested by palpating the temporal and masseter muscles and having patient clench teeth while observing for deviation of jaw or asymmetry in muscle contraction. This reflex assumes an intact CN VII (as the sensory limb of the reflex is CN V and the motor limb is CN VII). rad.usuhs.mil /cranial_nerves/cn5pe.html   (5762 words)

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